A researcher wants to investigate whether mindfulness training improves ability for employees to notice positive experiences in the workplace, and if this differs by disposition. A factorial design was used to analyze the data. The variables are described below:

Employees were randomly assigned to one of two groups: no training or a half-day session.

Disposition was categorized as follows: optimist, pessimist or realist.

Ability to notice positive experiences in the workplace was quantified using a Likert-based ambulatory assessment.

1. How many factors are there?

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2. What is the factorial notation for this design?

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3. If there is a main effect of Training, would Tukey's HSD need to be calculated? Why or why not?

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4. What is the dependent variable?

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5. How many conditions (cells) are there in the scenario?

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6. How many null hypotheses (and thus, F-ratios) are there in this scenario?

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